OZP-771: Implement legacy REST calls for dashboard designer.

1. Fixing the EDashboardLayoutList variable returned to be identical to 7 (removed fit layout).
2. Fixing translation to OWF 8 dashboard so it isn't always locked.
Expose date conversion methods from TranslationService.
Wire in Person and Group translation services to ServerConfigController for initial JS load.
OZP-850 - added exception handling also updated list method to owf7's behavior
OZP-850 - added back previous iswindowname, also created a windownamemediatype
OZP-850 - set content type to html
Merge master into ozp-801